SPEAR300 datasheet(36/83 Pages) STMICROELECTRONICS

36 / 83 page

Pin description

SPEAr300

36/83

Doc ID 16324 Rev 2

The following modes can be selected by programming some control registers present in the

reconfigurable array subsystem.

●

NAND mode

●

NOR Mode

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PHOTO_FRAME Mode (PHOTO FRAME)

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LEND_IP_PHONE Mode (LOW END IP PHONE)

●

HEND_IP_PHONEMode (HIGH END IP PHONE)

●

LEND_WIFI_PHONE Mode (LOW END WI-FI PHONE)

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HEND_WIFI_PHONE Mode (HIGH END WI-FI PHONE)

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ATA_PABX_wI2S Mode (ATA PABX without I2S)

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ATA_PABX_I2S Mode (ATA PABX with I2S)

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CAMl_LCDw Mode (8-bit CAMERA without LCD)

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CAMu_LCD Mode (14-bit camera with LCD)

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CAMu_wLCD Mode (14-bit camera without LCD)

●

CAMl_LCD Mode (8-bit camera with LCD)

Configuration 1 is the default mode for SPEAr300. It supports the FSMC interface for NAND

Flash connectivity and boot pins used for selecting the boot mode.

Mode 1: NAND interface

NAND mode mainly provides:

●

NAND Flash interface (16 bits, 5 control signals)

Mode 2: NOR interface

NOR mode mainly provides:

●

External Memory Interface (16 data bits, 24 address bits and 4 chip selects)

Mode 3: Photo frame

Photo frame mode mainly provides:

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NAND Flash interface (16 bits, 5 control signals)

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CLCD controller interface

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TDM for voice/music capabilities

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SDIO interface supporting SPI, SD1, SD4 and SD8 mode

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GPIOs with interrupt capability

Mode 4: Low end IP phone

Low end IP phone mode mainly provides:

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9x9 keyboard

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8 SPI/I2C control signals

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I2S block

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GPIOs with interrupt capability

●

Digital-to-analog converter (DAC)

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